1. Browsers don't support JS modules
2. It's more efficient for browsers to request a single file than a bunch of smaller modules. So even if you use something like browserify, which dynamically loads modules in the browser, you end up with much longer load times because of all the overhead with each HTTP request.
1. Browsers don't support JS modules 2. It's more efficient for browsers to request a single file than a bunch of smaller modules. So even if you use something like browserify, which dynamically loads modules in the browser, you end up with much longer load times because of all the overhead with each HTTP request.